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-rw-r--r--net/ipv6/icmp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index be491bf6ab6e..ef2505aefc15 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -402,9 +402,10 @@ static int icmp6_iif(const struct sk_buff *skb)
/* for local traffic to local address, skb dev is the loopback
* device. Check if there is a dst attached to the skb and if so
- * get the real device index.
+ * get the real device index. Same is needed for replies to a link
+ * local address on a device enslaved to an L3 master device
*/
- if (unlikely(iif == LOOPBACK_IFINDEX)) {
+ if (unlikely(iif == LOOPBACK_IFINDEX || netif_is_l3_master(skb->dev))) {
const struct rt6_info *rt6 = skb_rt6_info(skb);
if (rt6)